CVE-2021-3017
The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 63.0%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 63.02% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- intelbras/win 300 firmware · intelbras/wrn 342 firmware
- Source
- cve@mitre.org
EPSS 63.0% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://pastebin.com/cTYTf0YnThird Party Advisory
- https://www.intelbras.com/pt-br/ajuda-download/faq/roteador-wireless-veloz-wrn-342Vendor Advisory
- https://pastebin.com/cTYTf0YnThird Party Advisory
- https://www.intelbras.com/pt-br/ajuda-download/faq/roteador-wireless-veloz-wrn-342Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.